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If the focal length is 150 cm for a glas...

If the focal length is 150 cm for a glass lens, what is the power of the lens?

Text Solution

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Given: focal length, f= 150 cm (or) f= 1.5 m
Equation for power of lens is, P=1/f
Substituting the values,
`P=1/(1.5)=0.67` diopter
As the power is positive, it is a converging lens.
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